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NUMERICAL SIMULATION AND ANALYSIS OF TRAFFIC FLOW.
| 题名： | NUMERICAL SIMULATION AND ANALYSIS OF TRAFFIC FLOW. |
| 作者： | Zhang-HM; Wu-T |
| 关键词： | EQUATIONS-; FINITE-DIFFERENCES; TRAFFIC-FLOW; TRAFFIC-SIMULATION |
| 摘要： | Six finite-difference equations often used to approximate the continuity equation of traffic flow are compared in terms of their ability to solve the Lighthill-Whitham-Richards model. Ten representative initial traffic flow conditions were selected, and numerical solutions were obtained for the selected cases using the six finite-difference equations. Results are compared with analytical solutions, and the numerical properties of these approximations are examined. It was found that the upwind finite-difference schemes with volume corrections (Godunov-type schemes) produce the best results for all 10 cases and are reasonable finite-difference schemes for simulating traffic flow. |
| 总页数： | Transportation Research Record. 1999. (1678) pp251-260 (7 Fig., 1 Tab., 24 Ref.) |
| 报告类型： | 科技报告 |
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